Rails framework default JavaScript bundler "Webpacker" officially retired

Rails is a web application framework, one of the earliest and most famous Ruby frameworks, and can be said to be a pioneer in MVC (Model-View-Controller) development.

In versions prior to 7.0, Rails has always used Webpacker as its default JavaScript bundler. However, with the integration of the three major JavaScript bundlers esbuild, rollup.js and Webpack in Rails 7.0, Webpacker has become irrelevant (for a detailed analysis of the new JS integration package jsbundling-rails, click here).

Finally, on January 19, 2022, the Webpacker development team officially announced that the project has been retired.

Webpacker's version number remains at v6.0.0.rc.6. The official version 6.0 has stopped development or release. The unreleased Webpacker v6 code has been transferred to a new gem package called Shakapacker for continued development. But even if v6 is released, Rails will not release it as an official gem package (gem is the package format of the Ruby language).

Since the old version of Rails framework still relies on Webpacker, the Webpacker 5.x series is still maintained. However, the official recommendation is to migrate to other JavaScript bundlers as soon as possible, and a migration guide is provided - especially recommending migration to Webpack.

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Article title: Rails framework default JavaScript packager "Webpacker" officially retired

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